Definition of "sometimes"
sometimes
adverb
not comparable
On certain occasions, or in certain circumstances, but not always.
Quotations
It is good that we sometimes be contradicted, and ill though of, and that we always bear it well, even when we deserve to be well spoken of : perfect peace and security cannot be had in this world.
a. 1667, Jeremy Taylor, “Agenda; or, Things to Be Done”, in The Whole Works of the Right Rev. Jeremy Taylor, D.D., volume III, London: Frederick Westley and A. H. Davis, published 1836, page 730
We made an odd party before the arrival of the Ten, particularly when the Celebrity dropped in for lunch or dinner. He could not be induced to remain permanently at Mohair because Miss Trevor was at Asquith, but he appropriated a Hempstead cart from the Mohair stables and made the trip sometimes twice in a day.
1897 December (indicated as 1898), Winston Churchill, chapter V, in The Celebrity: An Episode, New York, N.Y.: The Macmillan Company; London: Macmillan & Co., Ltd.
The solitary, lumbering trolls of Scandinavian mythology would sometimes be turned to stone by exposure to sunlight. Barack Obama is hoping that several measures announced on June 4th will have a similarly paralysing effect on their modern incarnation, the patent troll.
2013 June 8, “Obama goes troll-hunting”, in The Economist, volume 407, number 8839, page 55
(obsolete) On a certain occasion in the past; once.
Quotations
What art thou that vſurp’ſt this time of night, / Together with that Faire and Warlike forme / In which the Maieſty of buried Denmarke / Did ſometimes march : By Heauen I charge thee ſpeake.
c. 1599–1602 (date written), William Shakespeare, “The Tragedie of Hamlet, Prince of Denmarke”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act I, scene i], page 152, column 2, lines 46–49
They detract, ſcoffe and raile ſaith one, & barke at mee on every ſide, but I, like that Albanian dog ſometimes given to Alexander for a preſent, vindico me ab illis ſolo contemptu, I ly ſtill and ſleep, vindicate my ſelfe by contempt alone.
1624, Democritus Junior [pseudonym; Robert Burton], “Remedies against diſcontents”, in The Anatomy of Melancholy: […], 2nd edition, Oxford, Oxfordshire: Printed by John Lichfield and James Short, for Henry Cripps, partition 2, section 3, member 7, page 351
adjective
not comparable
Quotations
Farewell old Gaunt, thy ſometimes brothers wife / With her companion Greefe, muſt end her life.
1595 December 9 (first known performance), William Shakespeare, “The life and death of King Richard the Second”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act I, scene ii], lines 54–55